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- Snyk ID SNYK-ORACLE8-LIBCURL-5600699
- published 16 May 2023
- disclosed 9 Feb 2023
How to fix?
libcurl to version 0:7.61.1-30.el8 or higher.
This issue was patched in
Note: Versions mentioned in the description apply only to the upstream
libcurl package and not the
libcurl package as distributed by
How to fix? for
Oracle:8 relevant fixed versions and status.
A use after free vulnerability exists in curl <7.87.0. Curl can be asked to tunnel virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.